Alert archive / Illinois / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 35, NWS Lincoln, IL

June 8, 19934 counties in Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Jun 8, 1993, 8:02 PM CDT for 4 counties in Illinois. It was in force for 13 min.

The area

The counties it named.

The facts

Issued: Jun 8, 1993, 8:02 PM CDT (01:02 UTC)
Expired: Jun 8, 1993, 8:15 PM CDT
In force: 13 min
Issued by: NWS Lincoln, IL
Area: Whole counties

Counties Boone County, IL, DeKalb County, IL, Ogle County, IL, Winnebago County, IL

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 1.0 hours before the alert went out and 270 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 4221 J/kg
Mixed-layer CIN: -161 J/kg
Mixed-layer LCL: 779 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: -14 m²/s²
0-3 km storm-relative helicity: 151 m²/s²
Significant tornado parameter: -0.2
Supercell composite: -3.5

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jun 8, 4:32 PM CDT, 3 hours 30 minutes before

ILZ005>007-009-082230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
432 PM CDT TUE JUN 8 1993

...TORNADO WATCH IN EFFECT FOR ALL OF WESTERN AND CENTRAL ILLINOIS UNTIL
11 PM...

AT 425 PM... STRONG THUNDERSTORMS WERE ACROSS SOUTHWESTERN MCLEAN COUNTY
AND WERE MOVING NORTHEAST AT 45 MPH. ANOTHER STRONG THUNDERSTORM WAS IN
NORTHEASTERN LOGAN COUNTY WHICH WILL ENTER SOUTH CENRTAL MCLEAN COUNTY
NEAR THE TOWN OF LEROY AROUND 5 PM WHILE THE STORMS ALREADY IN MCLEAN COUNTY
WILL MOVE TOWARDS BLOOMINGTON.

SHOWERS AND THUNDERSTORMS WERE ALSO FROM MASON COUNTY SOUTH TO SPRINGFIELD.

MANY LOCATIONS IN WESTERN AND CENTRAL ILLINOIS ARE SATURATED
FROM RECENT HEAVY RAINS...SO ANY ADDITIONAL HEAVY RAINFALL WILL PRODUCE
AREAS OF LOCALIZED FLOODING.  AS A RESULT...A FLASH FLOOD WATCH HAS
ALSO BEEN POSTED FOR ALL OF WESTERN AND CENTRAL ILLINOIS THROUGH TONIGHT.
.
STAY TUNED TO NOAA WEATHER RADIO... LOCAL TELEVISION AND RADIO FOR
FUTHER STATEMENTS AND POSSIBLE WARNINGS.

MOGGED

Special weather statement, Jun 8, 4:33 PM CDT, 3 hours 29 minutes before

ILZ005>007-009-082230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
432 PM CDT TUE JUN 8 1993

...TORNADO WATCH IN EFFECT FOR ALL OF WESTERN AND CENTRAL ILLINOIS UNTIL
11 PM...

AT 425 PM... STRONG THUNDERSTORMS WERE ACROSS SOUTHWESTERN MCLEAN COUNTY
AND WERE MOVING NORTHEAST AT 45 MPH. ANOTHER STRONG THUNDERSTORM WAS IN
NORTHEASTERN LOGAN COUNTY WHICH WILL ENTER SOUTH CENRTAL MCLEAN COUNTY
NEAR THE TOWN OF LEROY AROUND 5 PM WHILE THE STORMS ALREADY IN MCLEAN COUNTY
WILL MOVE TOWARDS BLOOMINGTON.

SHOWERS AND THUNDERSTORMS WERE ALSO FROM MASON COUNTY SOUTH TO SPRINGFIELD.

MANY LOCATIONS IN WESTERN AND CENTRAL ILLINOIS ARE SATURATED
FROM RECENT HEAVY RAINS...SO ANY ADDITIONAL HEAVY RAINFALL WILL PRODUCE
AREAS OF LOCALIZED FLOODING.  AS A RESULT...A FLASH FLOOD WATCH HAS
ALSO BEEN POSTED FOR ALL OF WESTERN AND CENTRAL ILLINOIS THROUGH TONIGHT.
.
STAY TUNED TO NOAA WEATHER RADIO... LOCAL TELEVISION AND RADIO FOR
FUTHER STATEMENTS AND POSSIBLE WARNINGS.

MOGGED

Special weather statement, Jun 8, 7:30 PM CDT, 32 minutes before

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Special weather statement, Jun 8, 7:32 PM CDT, 30 minutes before

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Special weather statement, Jun 8, 7:33 PM CDT, 29 minutes before

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<html lang="en">
<head>
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  <meta name="viewport" content="width=device-width, initial-scale=1">
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  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
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      <p class="small" id="detail">
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Special weather statement, Jun 8, 7:34 PM CDT, 28 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

Everything else NWS Lincoln, IL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 8, 7:14 PM CDT	Tornado Warning	ILX	Vermilion	16 min

Nearby

Severe Thunderstorm Warnings in Illinois, 1993 Every severe thunderstorm warning in 1993

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.